Add to ORKGThe patient is a 38-year-old woman with oligodendroglioma of the left cerebral hemisphere. The patient received intracarotid BCNU and developed BCNU retinopathy, optic neuropathy, and partial ophthalmoplegia. Image 92_22 Shows late changes, with more severe retinal ischemia, vascular attenuation, and subhyaloid hemorrhage.curriculum_fellow; KBDsysdisbcnuretinopathy; KBDbcnuretinopath